138774560

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{10979}}^1$

素因数の和:11073

約数の個数: 48

約数和(自身を含む): 332035200

約数和(自身を除く): 193260640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 316, 395, 632, 790, 1264, 1580, 2528, 3160, 6320, 10979, 12640, 21958, 43916, 54895, 87832, 109790, 175664, 219580, 351328, 439160, 867341, 878320, 1734682, 1756640, 3469364, 4336705, 6938728, 8673410, 13877456, 17346820, 27754912, 34693640, 69387280, 138774560]

約数ペア:

[(1, 138774560), (2, 69387280), (4, 34693640), (5, 27754912), (8, 17346820), (10, 13877456), (16, 8673410), (20, 6938728), (32, 4336705), (40, 3469364), (79, 1756640), (80, 1734682), (158, 878320), (160, 867341), (316, 439160), (395, 351328), (632, 219580), (790, 175664), (1264, 109790), (1580, 87832), (2528, 54895), (3160, 43916), (6320, 21958), (10979, 12640)]